<template>
  <div>
    <!-- 面包屑导航区域 -->
    <el-breadcrumb separator-class="el-icon-arrow-right">
      <el-breadcrumb-item :to="{ path: '/home' }">首页</el-breadcrumb-item>
      <el-breadcrumb-item>商品管理</el-breadcrumb-item>
      <el-breadcrumb-item>商品列表</el-breadcrumb-item>
    </el-breadcrumb>

    <!-- 卡片视图区域 -->
    <el-card>
      <el-row :gutter="20">
        <el-col :span="8">
          <el-input
            placeholder="请输入内容"
            v-model="queryInfo.query"
            clearable
            @clear="getGoodsList"
          >
            <el-button
              slot="append"
              icon="el-icon-search"
              @click="getGoodsList"
            ></el-button>
          </el-input>
        </el-col>
        <el-col :span="4">
          <el-button type="primary" @click="goAddpage">添加商品</el-button>
        </el-col>
      </el-row>

      <!-- table 表格区域 -->
      <el-table :data="goodslist" border stripe>
        <el-table-column type="index"></el-table-column>
        <el-table-column label="商品名称" prop="goods_name"></el-table-column>
        <el-table-column
          label="商品价格(元)"
          prop="goods_price"
          width="95px"
        ></el-table-column>
        <el-table-column
          label="商品重量"
          prop="goods_weight"
          width="70px"
        ></el-table-column>
        <el-table-column label="创建时间" prop="add_time" width="140px">
          <template slot-scope="scope">
            {{ scope.row.add_time | dateFormate }}
          </template>
        </el-table-column>
        <el-table-column label="操作" width="130px">
          <template slot-scope="scope">
            <el-button
              size="mini"
              type="primary"
              icon="el-icon-edit"
              @click="editById(scope.row.goods_id)"
            ></el-button>
            <el-button
              size="mini"
              type="danger"
              icon="el-icon-delete"
              @click="removeById(scope.row.goods_id)"
            ></el-button>
          </template>
        </el-table-column>
      </el-table>

      <!-- 分页区域 -->
      <el-pagination
        @size-change="handleSizeChange"
        @current-change="handleCurrentChange"
        :current-page="queryInfo.pagenum"
        :page-sizes="[5, 10, 15, 20]"
        :page-size="queryInfo.pageSize"
        layout="total, sizes, prev, pager, next, jumper"
        :total="total"
        background
      >
      </el-pagination>
    </el-card>

    <!-- 编辑修改商品对话框 -->
    <el-dialog
      title="修改商品信息"
      :visible.sync="editDialogVisible"
      width="50%"
      @close="editCateDialogClosed"
    >
      <!-- 修改参数的对话框 -->
      <el-form
        :model="goodsInfo"
        :rules="editFormRules"
        ref="editFormRef"
        label-width="100px"
      >
        <el-form-item label="商品名称" prop="goods_name">
          <el-input v-model="goodsInfo.goods_name"></el-input>
        </el-form-item>
        <el-form-item label="商品价格" prop="goods_price">
          <el-input v-model="goodsInfo.goods_price"></el-input>
        </el-form-item>
        <el-form-item label="商品重量" prop="goods_weight">
          <el-input v-model="goodsInfo.goods_weight"></el-input>
        </el-form-item>
      </el-form>
      <span slot="footer" class="dialog-footer">
        <el-button @click="editDialogVisible = false">取 消</el-button>
        <el-button type="primary" @click="editDialogAdd"
          >确 定</el-button
        >
      </span>
    </el-dialog>
  </div>
</template>

<script>
export default {
  data() {
    return {
      // 查询到的参数
      queryInfo: {
        query: '',
        pagenum: 1,
        pagesize: 10,
      },
      // 商品列表
      goodslist: [],
      // 总数据条数
      total: 0,
      // 控制修改信息对话框开关
      editDialogVisible: false,
      // 查询到的商品信息
      goodsInfo: [],
      // 修改表单的验证规则对象
      editFormRules: {
        attr_name: {
          required: true,
          message: '请输入参数名称',
          tigger: 'blur',
        },
      },
    }
  },
  created() {
    this.getGoodsList()
  },
  methods: {
    // 根据分页获取对应的商品列表
    async getGoodsList() {
      const { data: res } = await this.$http.get('goods', {
        params: this.queryInfo,
      })
      if (res.meta.status !== 200) {
        return this.$message.error('获取商品列表失败!')
      }
      this.$message.success('获取商品列表成功!')
      console.log(res.data)
      this.goodslist = res.data.goods
      this.total = res.data.total
    },
    // 监听pagesize 的变化
    handleSizeChange(newSize) {
      this.queryInfo.pagesize = newSize
      this.getGoodsList()
    },
    // 监听pagenum 的变化
    handleCurrentChange(newPage) {
      this.queryInfo.pagenum = newPage
      this.getGoodsList()
    },
    // 删除当前列的商品信息
    async removeById(id) {
      const confirmResult = await this.$confirm(
        '此操作将永久删除该商品, 是否继续?',
        '提示',
        {
          confirmButtonText: '确定',
          cancelButtonText: '取消',
          type: 'warning',
        }
      ).catch((err) => err)

      if (confirmResult !== 'confirm') {
        return this.$message.info('已取消删除')
      }
      const { data: res } = await this.$http.delete(`goods/${id}`)
      if (res.meta.status !== 200) {
        return this.$message.error('删除失败!')
      }
      this.$message.success('删除成功!')
      this.getGoodsList()
    },
    // 点击添加商品 跳转到添加页面
    goAddpage() {
      this.$router.push('/goods/add')
    },
    // 根据id查询商品
    async editById(id) {
      console.log(id)
      const { data: res } = await this.$http.get(`goods/${id}`)
      if (res.meta.status !== 200) {
        return this.$message.error('查询商品失败!')
      }
      this.$message.success('查询商品成功!')
      this.goodsInfo = res.data
      console.log(this.goodsInfo)
      this.editDialogVisible = true
    },
    editCateDialogClosed() {
      this.$refs.editFormRef.resetFields()
    },
    // 提交修改
    async editDialogAdd() {
      var id = this.goodsInfo.goods_id;
      var that = this;
      console.log(id);
      const {data:res} = await this.$http.put(`goods/${id}`,
      {
        goods_name: that.goodsInfo.goods_name,
        goods_price: that.goodsInfo.goods_price,
        goodsInfo: that.goodsInfo.goodsInfo,
        goods_number:that.goodsInfo.goods_number,
        goods_introduce:that.goodsInfo.goods_introduce,
        pics:that.goodsInfo.pics,
        attrs:that.goodsInfo.attrs
      })
      if(res.meta.status !== 201) {
        return this.$message.error('修改信息失败!')
      }
      this.$message.success('修改信息成功!')
    }
  },
}
</script>

<style lang="less" scoped>
</style>